Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
SEM image of particles obtained with a FESEM SU-8020 Hitachi instrument: ferrihydrite nanoparticles (Fh-NPs) (a); Co-Fh-NPs (b); Cu-Fh-NPs (c); particle size distribution hystogram and normal size distribution curve for each case (d), (e), and respectively (f).
